Question

whats the domain and range for this function
f(x)=(1)/(4+e^x)
?

Answer 1

4+e^x=0, solve this for your domain

Answer 2

there cant be 0 in the denominator

Answer 3

all real numbers

Answer 4

thats the domain??

Answer 5

yes that's the domain

Answer 6

what about the range

Answer 7

the same. All real numbers.

Answer 8

the domain is not all real numbers .. there is something wrong :s

Answer 9

domain includes all the numbers that give you a non zero number in the denominator. Here if you plug in any number you cannot get zero in denominator.